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How to Track Job Costs From Receipts (Without a Spreadsheet)

Ask most tradespeople where their job costs are recorded and the honest answer is: in a carrier bag, in the door pocket of the van, and in their head. The materials receipts, the fuel slips, the invoice from the subbie, all real costs, all sitting as paper. Turning that paper into a clear answer to "did this job make money" is the job most people put off until their accounts are due, by which point half of it is faded or lost.

There is a better way, and it does not involve a spreadsheet or an evening of typing. This guide walks through it.

Why Receipts Are the Right Place to Start

Here is the thing almost every costing method misses: on a trade job, the receipt is the cost. You do not have to estimate what the materials came to, or try to remember how much fuel you burned driving to the merchant twice. The slip in your hand is the exact figure, dated, itemised, and proof for the taxman all at once.

That makes receipts the single most reliable source of truth you have. A spreadsheet holds what you remember to type. A receipt holds what actually happened. If you build your job costing around receipts instead of memory, the biggest source of error, the cost you forgot, disappears.

Why the Spreadsheet Method Breaks Down

Spreadsheets are not wrong, they are just fighting your working day. Three things go wrong in practice:

• It relies on memory. The costing is only as complete as what you type in, and the third parts run of the day rarely gets typed at all.
• It lives in the wrong place. The sheet is on a laptop at home. The costs happen in a merchant car park at 8am. By the time you are back at the laptop, the detail has gone.
• It never checks itself. A spreadsheet records your estimate and, if you are diligent, your actuals. It does not chase you for the receipt you did not enter.

The result is a sheet that is 80 percent complete and therefore misleading, because the missing 20 percent is exactly the costs that turn a good-looking job into a thin one.

The problem was never the maths. It was that the costs happen in the van and the spreadsheet lives at home. Close that gap and job costing does itself.

The Receipt-First Method

The method is simple enough to describe in one line: capture every receipt the moment you get it, tag it to the job, and let the totals add themselves up. Here is how it works step by step.

1. Capture at the point of cost

The instant you take a receipt, in the merchant, at the pump, from your subbie, you record it. Not at home, not on Sunday. The one moment you will never forget the cost is the moment you are holding the slip. A scan takes two seconds from the front seat.

2. Let the app read it

A good receipt scanner reads the total and the individual line items for you, so you are not typing figures. VanReceipts does this on your phone, on device by default, which means it is fast and most receipts never leave your hands. Optional cloud itemization stays off unless a faded receipt needs it. We explain why that matters in on-device versus cloud OCR.

3. Tag it to the job

This is the step that turns a receipt into a job cost. You tell the app which job the receipt belongs to. VanReceipts helps by using the time and place of the receipt to suggest the right job, so most of the time it is one tap to confirm.

4. Add your labour

Materials are only half the story. Log your hours on the job at your hourly rate, and any subcontractor you paid, so the cost is the whole cost and not just the bits with a merchant slip. If you are not sure why your own time counts, the complete guide to job costing explains it.

5. Read the profit

With receipts tagged and labour logged, the profit on each job is already calculated. There is no month-end write-up, because the write-up happened two seconds at a time, all month.

What to Capture on Every Job

If you want the number to be right, these are the costs that need a receipt or an entry:

The rule of thumb: if it cost you money to do the job, it goes against the job. The small ones, the £6 parking, the extra bag of fixings, are the ones that quietly eat a margin, and they are exactly the ones a spreadsheet never captures.

Matching Receipts to the Right Job

The one genuinely fiddly part of receipt-based costing is deciding which job each receipt belongs to, especially when you have several running at once. This is where doing it in the van beats doing it at home. When you scan a receipt on the day, the app knows where you are and what time it is, and can line that up against the job you are on. VanReceipts uses that to suggest a job automatically, and shows you an editable card so you are never guessing weeks later which slip went where.

Do it at month end from a bag of paper and you are reconstructing your movements from memory. Do it as you go and the match is obvious, because you are standing on the job.

Try It on Your Next Job

You do not need to reorganise your whole business to start. On your very next job, scan every receipt as you get it and log your hours at the end. When the job closes, you will have something you have probably never had before: an exact, itemised profit figure with every cost accounted for, and not a single evening spent typing.

Want to sanity-check the maths first? The free job profit calculator lets you plug in a job's costs and see the margin in seconds, and the job costing spreadsheet template is there if you want to start on paper.

FAQ

Download VanReceipts on the App Store and turn your next pile of receipts into real profit per job.